Quality of life in cities is in the centre of discussions among politicians, economists, urban managers and planners nowadays. Megacities focus their efforts on the improvement of the quality of urban environment, the development of housing, transport, and social infrastructure, launch and expansion of wide range of urban services, as well as the promotion of their cities as tourist destinations. Thus, the overall objective of city administrations all over the world is the enhancement of quality of life and the provision of services for well being of their citizens.